Table Of Contents; Specifications; General Information - Hach DR 900 User Manual

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  • ENGLISH, page 1

Table of contents

Specifications

on page 3

General information

on page 3
on page 6
on page 8
on page 9
Specifications
Specifications are subject to change without notice.
Specification
Details
Measurement mode
Transmittance (%), Absorbance (Abs) and
Dimensions (W x D x H)
23.6 x 8.7 x 4.7 cm (9.3 x 3.4 x 1.9 in.)
Enclosure rating
IP67
Weight
0.6 kg (1.3 Ib)
Power requirements (internal) AA Alkaline batteries (4x)
Battery life
6 months (typical) at 5 readings a day/5 day
week without the backlight
Interface
USB mini
Operating temperature
0 to 50 °C (32 to 122 °F), maximum 90% relative
humidity non-condensing
Storage temperature
–30 to 60 °C (–22 to 140 °F), maximum 90%
relative humidity non-condensing
Lamp source
Light emitting diode (LED)
Detector
Silicon photodiode
on page 10
on page 12
on page 15
on page 16
on page 16
Specification
Details
Wavelength range
420, 520, 560, 610 nm
Photometric measuring range 0–2 Abs
Wavelength accuracy
±1 nm
Photometric accuracy
±0.005 Abs at 1.0 Abs nominal
Photometric linearity
±0.002 Abs (0–1 Abs)
Wavelength selection
Automatic, based on the method selection
Photometric repeatability
±0.002 Abs (0–1 Abs)
Data readout
Graphical display, 240 x 160 pixel (backlit)
Sample cells
16 mm, 1 cm/10 mL, 1-inch (25 mm) round
Protection class
Class III
Certifications
CE certified
Warranty
1 year
General information
In no event will the manufacturer be liable for direct, indirect, special,
incidental or consequential damages resulting from any defect or
omission in this manual. The manufacturer reserves the right to make
changes in this manual and the products it describes at any time, without
notice or obligation. Revised editions are found on the manufacturer's
website.
Safety information
N O T I C E
The manufacturer is not responsible for any damages due to misapplication or
misuse of this product including, without limitation, direct, incidental and
consequential damages, and disclaims such damages to the full extent permitted
under applicable law. The user is solely responsible to identify critical application
risks and install appropriate mechanisms to protect processes during a possible
equipment malfunction.

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